PDFOmni
100% private, client-side PDF toolkit & AI copilot
PDFOmni launched on June 11, 2026 with 2 votes.
What it does
PDFOmni is a 100% private, client-side PDF toolkit powered by WebAssembly. Edit, convert, and chat with your documents using a local AI copilot. Everything runs locally in your browser, your files never touch a server, ensuring zero-knowledge privacy
Merge, split, compress, convert, edit, sign, and protect PDFs locally in your browser with private client-side PDF tools.
PDFOmni is a local-first PDF toolkit for everyday document work. Files stay on your device while the browser handles merge, split, compress, convert, edit, sign, protect, unlock, and accessibility workflows. Merge, split, compress, convert, edit, sign, and protect PDFs locally in your browser with private client-side PDF tools. PDFOmni is built for people who need practical PDF tools without sending every file through an upload-first server workflow. The app covers common document jobs such as merging, splitting, compressing, converting, editing, signing, protecting, unlocking, redacting, and checking PDFs for accessibility. The homepage is organized around real document tasks, so you can…from pdfomni.com
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Filling PDF forms with AI using client-side tool callingMay 2026 · copilot.simplepdf.com · ▲60Hey HN! I built SimplePDF Copilot: an AI assistant that can interact with the PDF editor. It fills fields, answers questions, focuses on a specific field, adds fields, deletes pages, and so on. It's built on top of SimplePDF that I started 7 years ago, pioneering privacy-respecting client-side pdf editing, now used monthly by 200k+ people. As for the privacy model: the PDF itself never leaves the browser. Parsing, rendering, and field detection all run client-side. The text the model needs (and your messages) goes to whatever LLM you point at. By default that's our demo proxy (DeepSeek V4…

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